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Mocal oil cooler questions!!

Shaun-84 Jul 2, 2015

  1. Shaun-84

    Shaun-84 Active Member Silver Supporter

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    Evening all,

    I have read the guide on here for fitting said oil cooler. I was wondering if the cooler has to mount with the pipes at the top as some of you have done or wether it can be mounted with the pipes at the bottom. As when doing an oil change surely there will be oil still in the cooler and pipes that wont drain out. Also which exit from the sandwich plate is the feed an return. Sorry if this sounds stupid just dont want to f**k it up lol.

    Cheers
     
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  3. scotty_24

    scotty_24 Registered User

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    I've been thinking of fitting an oil cooler too to bring temps down
     
  4. VAG-Slag

    VAG-Slag Registered User

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    From what I understand oil coolers can be mounted anyway up, and oil is unlikely to drain anyway unless it's hot enough for the thermostat is open...

    Also, why does it matter what is feed and return? . . Does your oil cooler have directional flow? :-/
     
  5. Shaun-84

    Shaun-84 Active Member Silver Supporter

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    There is no markings on anything to dictate a direction of flow. Was just asking incase there was thats all. I Always run the car up to temp before dropping oil. A job for tomorrow then.
     
  6. VAG-Slag

    VAG-Slag Registered User

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    I was joking, your oil cooler is most definitely not directional!

    Most oil coolers open at 80 degrees, so you'll have to go on a fair drive for it to be open and I doubt it will stay open for long after... To be completely honest though, I'm not 100% sure how the sandwich plate works, either way if you really want to drain your cooler you'll be best off doing in manually by removing the hoses.
     
  7. Shaun-84

    Shaun-84 Active Member Silver Supporter

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    Lol you say that but my liquid gauge normally sits at 95-100 on motorways. An earlier today on a spirited drive i saw 108 degrees on oil and coolant. Using shell helix oil 5-40.
     
  8. superkarl

    superkarl MAN OF STEEL

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    The cooler sandwich plate is never fully closed. If it were, and you got up to temp, a significant amount of oil would disappear from the engine.
     
  9. VAG-Slag

    VAG-Slag Registered User

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    "lol" - Yes, i also have a liquid gauge, I'm well aware of what indicated oil temps do...

    Either way, I'll be surprised if you'll get your cooler to drain properly without disconnecting a hose... Would be interested to see though.

    Out of interest, where are you planning on mounting your cooler...
     
    Last edited: Jul 4, 2015
  10. Shaun-84

    Shaun-84 Active Member Silver Supporter

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    Yer i think your right will be a bumper off job to drain the cooler. Have mounted it in front of radiator as pic below. Now time to have a drive n see the results. Pic is before i tidied the hoses etc.
     

    Attached Files:

  11. VAG-Slag

    VAG-Slag Registered User

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    Nice, neat install... But seeing as your hoses go higher that the highest point of the cooler there is absolutely zero chance of any oil draining out the cooler.

    Was just looking at this link though and it gave me an idea... If you remove the thermostat and then put the bung for the thermostat housing back in. Then take off the return pipe at the sandwich plate, with fresh oil in the sump get a mate to start the engine and run until you see clean oil coming out the return pipe, effectively bleeding the cooler and probably a lot easier than taking the bumper off.

    That's how I'd do it anyway!
     
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  13. Shaun-84

    Shaun-84 Active Member Silver Supporter

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    Nice one, cheers mate. Yer i did think that when installing it but there wasnt really anywhere to put it or to run pipes differently. Yer thats not a bad shout altho the its an a**e to get onto the nuts to remove a pipe on sandwhich plate. May just just shorten the services so it gets done more often. Going on a longer run tomorrow so be interesting what she sits at on motorway now. An hopefully it doesnt take to long to get warm in winter lol.
     
  14. SamHendry

    SamHendry Registered User

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    Silly question ALERT

    How is the cooler supplied with oil? Where does it drain?
     
  15. VAG-Slag

    VAG-Slag Registered User

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    There's a sandwich plate that sits between the oil filter and the oil filter housing, this link may explain better than I can...

    http://speedflow.co.uk/sandwich-plate/
     
    SamHendry likes this.
  16. scotty_24

    scotty_24 Registered User

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    Im really interested in this. Recently fitted an oil temp gauge taking a reading from the sump, and when im giging it the beans the oil temp can reach 120 / 125 degrees C

    Normal? Too Hot? If so Im going to get an oil cooler and change to race oil (currently quantum 5/40)
     
  17. badger5

    badger5 www.badger5.co.uk Site Sponsor

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    i would fit a cooler..
     
  18. VAG-Slag

    VAG-Slag Registered User

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    Most engine oils start degrading around 140/150 degrees C. So "too hot?", not necessarily, but those sorts of temperatures are obviously not ideal. . . And yes, I would say that is about normal for a tuned 1.8t after a good beansing!

    What oil are you thinking of switching to? Is your car used daily?
     
  19. scotty_24

    scotty_24 Registered User

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    I was thinking the Fuchs Titan or Gulf Racing? Any reccomendations welcome.
    http://www.opieoils.co.uk/c-2354-lo...:0,121879:0,122294:0,131668:0&yearFilter=2001


    I think Im going to sort an oil cooler out on pay day, its just mounting thats going to be a nightmare with the wellycooler!

    Mines a daily but is being used on trackdays, say one overy 2-3 months

    @badger5 any reccomendation on oil cooler for my S3? (mine was the one getting hot on the dyno if you remember so I have started a war against heat)


    Cheers lads
     
  20. VAG-Slag

    VAG-Slag Registered User

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    Oh, I see... Still sticking with 5w40 then? I think some of the track guys run 10w50 or something, but 5w40 is deffs best for daily use. . . . I've heard great things about the Fuchs, although I've only ever used it about 10 years ago in my 16v Polo, seemed to make a difference though. Not sure if it was just a placebo but the engine just seemed more willing to rev
     
  21. future

    future Scuderia Vittoria Edition 001

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    if fitting a mocal, they are meant to have the outlets pointing upwards. Im not entirely sure the reasoning behind it but they seemed quite insistent when i fitted mine to the race car

    tom
     
  22. superkarl

    superkarl MAN OF STEEL

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    13row fits above a welly cooler behind the top grill
     
  23. VAG-Slag

    VAG-Slag Registered User

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    I recall I think perhaps Bill saying that there's no point in anything smaller than a 16 row... No?
     
  24. badger5

    badger5 www.badger5.co.uk Site Sponsor

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    16 or 19 row if you have somewhere to fit it where air will pass by
    13/16 row mounted on top of FMIC we use, depends on height of fmic being used as to what can fit
     
  25. badger5

    badger5 www.badger5.co.uk Site Sponsor

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    i ran 13 row for years on badgerwagen..
    16 row now, slightly improved cooling..

    max temp 115'c racing, 15 lap race - Actual race
     
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  26. scotty_24

    scotty_24 Registered User

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  27. superkarl

    superkarl MAN OF STEEL

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    Search bar, there is a thread documenting the parts required and fitting. Also a good source for parts other than eBay that prawn recommends.
     
    scotty_24 likes this.
  28. scotty_24

    scotty_24 Registered User

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  29. VAG-Slag

    VAG-Slag Registered User

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    Just a thought on this, if the cooler was upside down I'd imagine it'd be prone to air locks as the oil coming in practically leaving straight away and also blocking the way for air to escape...

    Having thought about this in more depth now, I'd say it's probably best to install with the both in/out at the top, or on it's side with inlet at the bottom and outlet at the top... That way oil doesn't actually leave the cooler until the cooler is full.

    That being said there are plenty out there that have been installed upside down with no obvious side effects
     
  30. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator

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    Space and position availability normally dictates where it can go

    <tuffty/>
     
  31. scotty_24

    scotty_24 Registered User

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  32. VAG-Slag

    VAG-Slag Registered User

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    scotty_24 likes this.
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  34. scotty_24

    scotty_24 Registered User

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    Said it before and il say it again, if its goof enough for Prawn its good enough for me!

    @Prawn this kit look ok?
     

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